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package main
import (
"fmt"
"os"
"sort"
"strings"
"github.com/MichaelMure/git-bug/repository"
"github.com/MichaelMure/git-bug/commands"
)
const usageMessageTemplate = `Usage: %s <command>
Where <command> is one of:
%s
For individual command usage, run:
%s help <command>
`
func usage() {
command := os.Args[0]
var subcommands []string
for subcommand := range commands.CommandMap {
subcommands = append(subcommands, subcommand)
}
sort.Strings(subcommands)
fmt.Printf(usageMessageTemplate, command, strings.Join(subcommands, "\n "), command)
}
func help() {
if len(os.Args) < 3 {
usage()
return
}
subcommand, ok := commands.CommandMap[os.Args[2]]
if !ok {
fmt.Printf("Unknown command %q\n", os.Args[2])
usage()
return
}
subcommand.Usage(os.Args[0])
}
func main() {
if len(os.Args) > 1 && os.Args[1] == "help" {
help()
return
}
cwd, err := os.Getwd()
if err != nil {
fmt.Printf("Unable to get the current working directory: %q\n", err)
return
}
repo, err := repository.NewGitRepo(cwd)
if err != nil {
fmt.Printf("%s must be run from within a git repo.\n", os.Args[0])
return
}
if len(os.Args) < 2 {
// default behavior
fmt.Println("Not implemented")
return
}
subcommand, ok := commands.CommandMap[os.Args[1]]
if !ok {
fmt.Printf("Unknown command: %q\n", os.Args[1])
usage()
return
}
if err := subcommand.Run(repo, os.Args[2:]); err != nil {
fmt.Println(err.Error())
os.Exit(1)
}
}
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